I want to selfhost a messaging service for my family. It should be secure and have voice calling option, ideally. Thank you.
This is outdated info. Matrix doesn’t need lots of resources these days. “for instance Synapse uses 5-10x less RAM than it used to (my personal federated server is only using 145MB of RAM atm!” - https://matrix.org/blog/2022/08/15/the-matrix-summer-special-2022/#making-it-fast
Host it for free https://paul.totterman.name/posts/free-clouds/ & https://paul.totterman.name/posts/matrix-server-guide/